CH

[ magnetic brakes for various types of machines; starters and speed regulators for fire pumps, printing presses, paper making machines, oil well drillers and pumps ]

electrical control apparatus, electrical machines, and electrical supplies, namely controllers for dynamo-electric machines; starting, stopping, reversing, and speed regulating apparatus for motors, and voltage and current regulating apparatus for generators, and like control apparatus for rotary converters; current breakers; electrical panelboards and multi-breakers; solenoids, safety switches, meter service and entrance switches;[ float,]pressure and other special switches; insulating bases and supports for switches and the like; controllers for valves requiring rotating of an element thereof; solenoid-operated valves; fuse panels; terminal lugs; wiring fixtures and conduit fittings consisting of switches, switch boxes and covers, attachment plugs, taps, receptacles, lamp sockets, and cord connectors; limit switches, door switches, and floor selector switches; speed regulating and other current control resistors; rheostats; relays; contractors; switch panels; control panels; push button switches; electrical starters for motors; speed controllers and regulators; electrical controls for hoists and cranes; electrical controls for diesel locomotives; circuit controllers of the electronic type;[ electric welding controllers; circuit controllers for electric refrigerators;] electric entrance and branch service equipment, namely circuit breakers, panels, and enclosures therefor, and parts thereof; busways; electrical sensors, and electro-optical sensors